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Keratophakia. Long-term results.

R A Villaseñor

    Ophthalmology
    |June 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

    Keratophakia surgery, a lens implant procedure, is safe and effective when combined with cataract surgery. Primary keratophakia does not significantly increase risks compared to standard cataract extraction.

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    Area of Science:

    • Ophthalmology
    • Surgical Innovation

    Background:

    • Keratophakia involves implanting a lens within the cornea.
    • This study evaluates keratophakia procedures performed between 1979 and 1982.

    Purpose of the Study:

    • To assess the safety and efficacy of primary keratophakia combined with cataract surgery versus secondary keratophakia in aphakic eyes.
    • To analyze visual outcomes and complication rates.

    Main Methods:

    • Retrospective analysis of 33 keratophakia procedures (19 primary, 14 secondary).
    • Independent observer analysis of 23 cases with at least one year follow-up.
    • Evaluation of best visual acuity, induced keratometric astigmatism, and manifest refractive astigmatism.

    Main Results:

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  • 62% of patients achieved 20/40 or better visual acuity by seven months.
  • Average induced keratometric astigmatism was 1.0 diopter; manifest refractive astigmatism was 2.0 diopters.
  • Comparison of primary and secondary procedures indicated comparable safety and visual recovery.

    • Conclusions:

    • Combined keratophakia and cataract extraction is a safe and effective procedure.
    • Primary keratophakia does not introduce significant additional risk when performed concurrently with cataract surgery.